<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <!--<script>
        function show() {
            window.location.href = "show.do";
        }
    </script>-->
</head>
<!--<body onload="show()">-->
<body>
  <a href="show.do">显示用户</a><br>
</form>
</body>
</html>